Fedora :: Recover Mbr / Partition Table - Boot "Super Grub Virus" From A Usb Stick

Aug 5, 2010

a windows installation on a fake-raid, /dev/mapper/ddf1_AR01p1 and an xtra penguinFS on ddf1_AR01p2. I simply tried to boot "Super Grub Virus" from a usb stick ... and the $%!($ER hosed the array. Luckily, my day to day OS and important data is on a different set of disks ... but my BIOS boot target is set to the fake-raid, so it did not kill anything genuinely important ... I just got lucky.

I would really like to restore the windoZe partition as it WAS. I actually use it a couple of times each year. I would just reinstall the OS ... really NOTHING important on those 2 disks, but I have no idea where my XP disk can be found ... but I know the xp installation is hiding in /dev/null ....

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Software :: How To Recover Partition Table

Sep 13, 2010

Just now I accidentally used gparted and wiped the partition table on my main hard drive, and now fdisk -l shows nothing! How can i recover my partitions and avoid having to reinstall Gentoo all over again?

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SUSE :: Deleted Grub Loader And Partition - Recover Boot To Load Windows 7?

Oct 25, 2010

I let a 'friend' use my laptop over the weekend. Now when I turn it on, it loads the BIOS details, then says no active partition, then no OS cannot be found.

It looks like they have deleted the partition with SuSE with the Grub Loader.

I cannot load up SuSE or Windows 7!

Any ideas on how to recover the boot to load Windows 7?

I have tried using the Windows 7 install disc to repair - but it does not recognise that Windows is installed and wants to do a clean install only.

Is it worth trying to reinstall SuSE and hope it detects Windows on the other partition? (I assume it is still there!)

I cannot get to a command prompt.

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Hardware :: Restore Partition Table Or Recover Data?

Mar 27, 2009

I was putting the cover back on my Antec p180b, and I guess it got stuck and gave it a hard bump (pretty much broke the cover). As a result, one of my hard drives, a Seagate Barracuda ST3750640AS, got messed up or something. All the other hard drives are fine. It's in an LVM with another hard drive, so now I can't boot up into my computer. So I booted into the installation CD:

Code:

# find /dev/sd[a-c][1-3]
/dev/sda1
/dev/sda2

[code]....

This led me to believe the partition was messed up. So I ran cfdisk, and it said something about a missing partition table or something. Additionally, instead of showing the single partition on it, it displays, from my recollection, Pri*Log. To my knowledge, this is the only problem with the hard drive. So now I need to either somehow create or restore the partition table without overwriting the data. Or get a new hard drive, and some how recover the data (LVM, partitions, and all).

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Fedora :: Grub - Unknown Partition Table Signature

Jan 10, 2010

i have FC10, and have loss my grub because a windows 7 instalation (other partition). I am trying to re-install the grub version 0.97, so i used:

FC10 DVD install + repair a system

then:

Code:

chroot /mnt/sysimage
grub

but i got:

unknown partition table signature.

so i can not make any grub command:

Code:

grub> find /boot/grub/stage1
error 15: file not found

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Fedora :: After Cloning To Bigger Hdd / Can Boot Only Over Super Grub Disk CD

Mar 21, 2011

I cloned F14 with Clonezilla from 80GB to 320GB hdd(both sata disks), and then resized the partitions with GParted.But I can not boot into fedora on the new/bigger disk, it stops and the display writes "Loading stage 1.5" if I remember corectly,I tried to fix it with the live cd but with no efect.

Then i found Super Grub Disk live CD, and with that i tried to use their fix, which was the same as with the Fedora live cd i tried before, again no efect.Then i played around with Super Grub, and found the option to boot GNU/Linux indirectly, and with that metod i got results, found my menu.lst file and chose the kernel i wanted and it boots into desktop.

But i would need a more permanent solution, because now i allways have to use the same procedure with Super Grub Disk CD to boot into my Fedora 14.

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General :: Recover Partition-Table Still Present In Running System?

Dec 1, 2010

I accidentially overwrote the first 1M of my harddisk on linux (using dd). So, the partition-table is gone. I can still access all partition (except the first one) using /dev/sda2 (and so on), so the data is still there. I only need the partition boundaries to restore the table. How can I do this? The Linux-Kernel must still know them because all mount-points still work. fdisk -l /dev/sda doesn't work because it acctualy reads the partition table.

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Ubuntu :: Recover Data From RAID 1 Where Partition Table Has Been Deleted?

Jan 12, 2010

I have 8.04 running mdadm raid 1. I selected the wrong drive in gparted and managed to hose my partition tables.

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Software :: Repair Missing Partition Table And Recover Data From Xfs?

Jun 15, 2009

I used to have a 1TB external drive with lots of stuff on it. But after a reported drive failure during a F11 install the partition table seems to have been lost. (I think F11 toasted it)

Disk /dev/sdc: 1000.2 GB, 1000215724032 bytes
255 heads, 63 sectors/track, 121602 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

[code]....

The drive used to have xfs and a partition. Is there any way to rebuild the partition? Or is my 1TB of data gone forever? The drives seem to be fine now... I just want to get it up enough to either pull any data or just to get a file list. Most of the stuff on the drive was from somewhere else.(ie 300GB of NRN data for all of North America.

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Hardware :: Copy Bootable USB Stick Including MBR Partition Table?

Dec 16, 2010

How to copy bootable USB stick including MBR partition table? I have Debian Lenny installed.

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Fedora Security :: How To Check Memory Stick And External Hard Drive From Virus?

Sep 30, 2010

now I'm done full transition from windows 100%.i want ask how can i check my memory stick and External Hard Drive from virus ?

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Slackware :: Changing Boot Partition / Bootable And Rewrite The Partition Table?

Apr 24, 2010

Everything is installed and setup on my system, but when I setup my partitions I chose my Windows partition to be bootable. Can I just use cfdisk to toggle the bootable flag so my linux partition is bootable and rewrite the partition table?

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Ubuntu :: Difference Between Using GPT Partition Table When Formating Hard Drives And MS-DOS Partition Table?

Aug 6, 2010

Is there a difference between using GPT partition table when formating hard drives and MS-DOS partition table? What are the advantages/disadvantages of using either?

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General :: Recover Grub After Changing A Partition?

Jan 23, 2011

I moved my NTFS partition with XP and after restarting got the grub> prompt. ls,grub-install and mount are not recognized. find /boot/grub/stage1 (hd0,2,a)

how can I recover? my *nix is osol and I have grub 0.97 (legacy)

I have both a osol and ubuntu cds, but it seems I should be able to load from the grub prompt.

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Ubuntu :: Recover Partition And Grub Lost From Windows?

Dec 8, 2010

I installed Ext2fsd from windows XP because I needed access to a text file on my ubuntu install. However, it didn't work because the drive is ext4 and all it listed was the root folders (/home, /var etc..) nothing any deeper.

I closed the app and continued working in windows.

Today I went to start my computer and it loaded the grub-rescue> prompt. I immediately tried to run "help" to find out what happened, however, grub reported the command as unknown.

I then ls and got a partial listing of the partitions.

Code:
(hd0) (hd0,5) (hd0,1) (fd0)

So what do I do? How do I recover my linux partition? If the partition is bad - then how is the bios able to find the grub-rescue> prompt?

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Ubuntu Security :: Scan 'only' USB Stick For Virus In 10.10

Dec 7, 2010

I have Avast Antivirus installed in Ubuntu 10.10. There are options to select folders to scan from 1. Home Directory 2. Entire system and 3. Selected folders. What are the options available to scan only selected drive. OR How to scan only USB stick.

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Ubuntu Installation :: Unable To Boot Into New Drive - No Partition Table

Apr 2, 2010

I'm upgrading from a 250GB drive to a 500GB drive. I booted into the live-CD, ran gparted and created the necessary partitions:

/dev/sda1 ext4 /
/dev/sda2 swap
/dev/sda3 ext4 /home

then I used dd to transfer data from the old drive to the new drive. Now I am unable to boot into the new drive. I tried to boot again from the live-CD but fdisk reports that the drive has no partition table. I can still mount the devices (e.g. mount /dev/sda3 /mnt/sda3) and I can see all the files. But without a partition table, I can't set one partition to be bootable. Why doesn't gparted create a partition table? it created the filesystems just fine. how do I boot into the new disk? What do I have to do to make grub handle the new disk?

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Fedora :: Change Boot Partition With Grub?

Feb 24, 2010

I have fedora 12 installed on a laptop with an LVM partition, /dev/hda5 logiacal partion in the /dev/hda4 one, a boot partition on /dev/hda3 and a FAT on /dev/hda2 for win data. There was also a 10GB free partion left from older works on /dev/hda1. Now the /boot partition was set to only 0,2GB and this conflicts with the kernel updates. I freed the 10GB section, formatted it to ext 4 and copied all stuff from the /boot sector on it. now the old /boot is mounted in the grub.conf on a UUID and not the /dev/hda3 as it comes up on fdisk.

I would now like to swith the boot from the small /dev/hda1 partiotn to the larger /dev/hda3 one, but don't know how to manage it with grub (fedora, i understand it's grub-legacy).

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Fedora :: Fix Grub /boot Is On A Standalone Partition

Sep 5, 2011

I'm using fc14, and put the /boot directory on a standalone partition. Now, there's something changed in MBR, and the grub has been overwrote, now I wants to fix the grub by another bootable usb-disk with grub, to use 'setup (hd1)' to fix it. but the situation cause the /boot has nothing and the partition contain essential files does not under the directory 'boot'. then setup failed.

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Ubuntu :: Bootmgr Missing After Restoring Partition Table On Dual Boot

Jun 2, 2011

Im running ubuntu 10.10 on a dual boot machine together with vista. When I tried to delete a partition in gparted I accidentaly deleted the general partition table so I had to run testdisk on a live cd to restore it. The problem is that once I had done that and rebooted I get the message bootmgr is missing. I suppose Testdisk deleted or overwrote mz grubloader.

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Ubuntu :: Partition Table Damaged - Pc Doesn't Boot From Hard Disk

Feb 20, 2011

Caused by Used fdisk to delete the windows partition, in my dual boot. Then I could no longer log in to ubuntu, the partition table was some how courpt and I couldnt remount I then decided to use the windows partitioner from windows setup, as I thought it is so stupid, to reformat the partition where I had ubuntu. I wanted reinstall ubuntu, and I know that during the setup I could straighten out the mess I'd made.

Windows has now installed two 8mb one cylinder partitions on my HD. When I start the PC I get a !disk error occurred Press Crlt Alt Del to restart! This happens everytime. HD boot sequence is buggered, i guess.

I can boot from other devices. USB + CD. How when I use the windows disk to boot up I can see the 2 8mb partition, which it wont let me delete. How can I delete this via linux?

Also when I try to install ubuntu from the usb drive, it stalls just after the Preparing to install part. The next screen is when you set the partition table, swap drive etc. When I quit I get the following error !Process Glib WARNING getpuuid_r() failed due to unknown id!

The usb_liveCD does however mount my hard disk partitions and luckily I have managed to back everything up to an external.

results from df
/var/log# df
Filesystem 1K-blocks Used Available Use% Mounted on
aufs 766804 68140 698664 9% /
none 760892 244 760648 1% /dev
/dev/sdb1 3911856 712128 3199728 19% /cdrom

[Code].....

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Fedora Security :: Anti-Virus Used To Protect Fedora From Spyware And Virus?

Aug 22, 2009

if there is any free software there used to protect Fedora from spyware and virus?

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Fedora Installation :: GRUB/LILO: Getting The Location Of The Boot Partition?

Feb 13, 2009

I somehow recalled a rule re the location of the boot partitions with LILO being required to be in the first part of the drive (1024 cylinders, it seems) and I found it indeed in an old doc:

Boot Partition: Your boot partition ought to be a primary partition, not a logical partition. This will ease recovery in case of disaster, but it is not technically necessary. It must be of type 0x83 "Linux native". If you are using lilo, your boot partition must be contained within the first 1024 cylinders of the drive. (Typically, the boot partition need only contain the kernel image.) Is this still valid in GRUB, esp in Fedora 10?

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Fedora :: Install Grub To A Partition And Link It To A Separate /boot?

Nov 20, 2009

Where can I install grub? I know it can be installed to the mbr of a hard drive. I also know it can be installed to a /boot partition. Can I install it to a lvm partition? Does it have to be /boot? grub-install --root-directory=/boot /dev/hda Does this command install grub to a partition and link it to a separate /boot? I have fedora, but this is a live cd. I need to learn where I can install grub2 to boot

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Ubuntu Installation :: Grub Won't Start Unless Usb Stick Mounted From Boot?

Jan 11, 2011

Before: I had 2 os's ubuntu and windows installed on my system. Recently, I decided to install ubuntu to a flash drive. All went well except grub was not installed to the flash drive, but appended the existing grub setup on my hard drive.

Now: Even if I set the default system in grub as windows, or the original ubuntu install, my system will not boot unless the usb stick is plugged in. I get message. Error: grub rescue: My ideal solution: To stop grub searching for my flashdrive before loading the boot menu, and if possible to write grub to the flash stick.

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Debian Installation :: Recover Grub On A Dual Boot Machine With Encrypted LVM

Oct 16, 2015

My laptop setup is:

sda1: W7
sda2: FAT16
sda3: /boot
sda4: encrypted LVM with debian (everything besides /boot)

now I've re-installed W7 so grub was overwritten. I've tried the procedure which worked for me previously:booting with the netinst usb in rescue mode, choosing a root partition to mount, using grub-install to reinstall the grub:

Code: Select allmount /dev/sda3 /boot
grub-install /dev/sda

Now I'm on Jessie (stable), and this time this fails, and I am able to mount only sda3.grub-install doesn't exit so I'm assuming it has been replaced by `grub-installer'. also '/boot' doesnt exist so I created it manually.

Code: Select allmount /dev/sda3 /boot
grub-installer /dev/sda

The latter fails with
Code: Select all/dev/sda/proc not a directory

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OpenSUSE Install :: Recover Grub Installation In A Dual Boot System?

Nov 19, 2010

I would like to recover my grub installation in a dual boot system. if there is an easy way to recover grub using flash disk? If yes is your suggestion opensuse developed? (currently running 11.3) . It would be nice also to have some gui just to make things easier. If not I assume that then the only option is the boot from dvd. Is that right?

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Ubuntu Installation :: Can't Start Grub Without Super Grub Disk

Jun 22, 2010

If I use the super grub disk I can get to my ubuntu partition otherwise my windows partition boots automatically. I spent over an hour in the community documentation using the live cd to reinstall grub and nothing has fixed it. I think that grub is installed and the windows bootloader is just taking precedence.

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Fedora :: Install Windows XP On A Free Partition Without It Replacing The GRUB Boot Loader?

Sep 20, 2009

I am using Fedora 10, and was wondering if it is possible to install Windows XP on a free partition, without it replacing the GRUB boot loader?

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Fedora :: Ls /dev/sda* Displaying Entries Not In Partition Table?

Sep 6, 2009

I have encountered something of a mystery here. The other day while in /dev I ran 'ls sda*' and noticed this...Quote:

ls -lZ /dev/sda*
brw-rw----. root disk system_u:object_r:fixed_disk_device_t:s0 /dev/sda
brw-rw----. root disk system_u:object_r:fixed_disk_device_t:s0 /dev/sda1

[code]...

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